From 48cc3c4b587f9549f7426776d032da99b3ba471b Mon Sep 17 00:00:00 2001
From: Cherry Zhang <cherryyz@google.com>
Date: Tue, 14 Jun 2016 15:33:15 -0400
Subject: [PATCH] syscall: skip TestUnshare if kernel does not support net
 namespace

Fixes #16056.

Change-Id: Ic3343914742713851b8ae969b101521f25e85e7b
Reviewed-on: https://go-review.googlesource.com/24132
Reviewed-by: Ian Lance Taylor <iant@golang.org>
Run-TryBot: Ian Lance Taylor <iant@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
---
 src/syscall/exec_linux_test.go | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/src/syscall/exec_linux_test.go b/src/syscall/exec_linux_test.go
index a562c9cbf2..fbbce6de5a 100644
--- a/src/syscall/exec_linux_test.go
+++ b/src/syscall/exec_linux_test.go
@@ -155,6 +155,12 @@ func TestUnshare(t *testing.T) {
 		}
 		t.Fatal(err)
 	}
+	if _, err := os.Stat("/proc/self/ns/net"); err != nil {
+		if os.IsNotExist(err) {
+			t.Skip("kernel doesn't support net namespace")
+		}
+		t.Fatal(err)
+	}
 
 	cmd := exec.Command("cat", path)
 	cmd.SysProcAttr = &syscall.SysProcAttr{